diff --git a/spec/services/terms_of_service_spec.rb b/spec/services/terms_of_service_spec.rb
new file mode 100644
index 0000000000..5d1e169529
--- /dev/null
+++ b/spec/services/terms_of_service_spec.rb
@@ -0,0 +1,48 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe TermsOfService do
+  let(:customer) { create(:customer) }
+  let(:distributor) { create(:distributor_enterprise) }
+
+  context "a customer has not accepted the terms of service" do
+    before do
+      allow(customer).to receive(:terms_and_conditions_accepted_at) { nil }
+    end
+
+    it "returns false" do
+      expect(TermsOfService.tos_accepted?(customer)).to be false
+    end
+  end
+
+  context "a customer has accepted the platform terms of service" do
+    before do
+      allow(customer).to receive(:terms_and_conditions_accepted_at) { Time.zone.now - 1.week }
+      allow(TermsOfServiceFile).to receive(:updated_at) { Time.zone.now - 2.weeks }
+    end
+
+    it "should reflect whether the platform TOS have been accepted since the last update" do
+      expect {
+        allow(TermsOfServiceFile).to receive(:updated_at) { Time.zone.now }
+      }.to change {
+        TermsOfService.tos_accepted?(customer)
+      }.from(true).to(false)
+    end
+  end
+
+  context "a customer has accepted the distributor terms of service" do
+    before do
+      allow(customer).to receive(:terms_and_conditions_accepted_at) { Time.zone.now - 1.week }
+      allow(distributor).to receive(:terms_and_conditions_updated_at) { Time.zone.now - 2.weeks }
+    end
+
+    it "should reflect whether the platform TOS have been accepted since the last update" do
+      expect {
+        allow(distributor).to receive(:terms_and_conditions_updated_at) { Time.zone.now }
+      }.to change {
+        TermsOfService.tos_accepted?(customer, distributor)
+      }.from(true).to(false)
+    end
+  end
+end